fix display name

core/src/main/java/nl/matsv/viabackwards/api/rewriters/EntityRewriter.java

@@ -30,6 +30,7 @@ import us.myles.ViaVersion.api.minecraft.metadata.MetaType;
 import us.myles.ViaVersion.api.minecraft.metadata.Metadata;
 import us.myles.ViaVersion.api.minecraft.metadata.types.MetaType1_9;
 import us.myles.ViaVersion.exception.CancelException;
+import us.myles.ViaVersion.protocols.protocol1_13to1_12_2.ChatRewriter;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -51,6 +52,9 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
     @Getter(AccessLevel.PROTECTED)
     @Setter(AccessLevel.PROTECTED)
     private int displayNameIndex = 2;
+    @Getter(AccessLevel.PROTECTED)
+    @Setter(AccessLevel.PROTECTED)
+    private boolean isDisplayNameJson = false;
 
     protected AbstractEntityType getEntityType(UserConnection connection, int id) {
         return getEntityTracker(connection).getEntityType(id);
@@ -149,7 +153,11 @@ public abstract class EntityRewriter<T extends BackwardsProtocol> extends Rewrit
                 if (entData.getMobName() != null &&
                         (data.getValue() == null || ((String) data.getValue()).isEmpty()) &&
                         data.getMetaType().getTypeID() == getDisplayNameMetaType().getTypeID()) {
-                    data.setValue(entData.getMobName());
+                    String mobName = entData.getMobName();
+                    if (isDisplayNameJson) {
+                        mobName = ChatRewriter.legacyTextToJson(mobName);
+                    }
+                    data.setValue(mobName);
                 }
             }
 

core/src/main/java/nl/matsv/viabackwards/protocol/protocol1_13_2to1_14/packets/EntityPackets1_14.java

@@ -288,6 +288,9 @@ public class EntityPackets1_14 extends EntityRewriter<Protocol1_13_2To1_14> {
 
     @Override
     protected void registerRewrites() {
+        setDisplayNameJson(true);
+        setDisplayNameMetaType(MetaType1_13_2.OptChat);
+
         regEntType(EntityType1_14.EntityType.CAT, EntityType1_14.EntityType.OCELOT).mobName("Cat").spawnMetadata(e -> {
           //  e.add(new Metadata(13, MetaType1_13_2.Byte, (byte) 0x4)); // Tamed cat
         });